<template>
  <el-container class="home-container">
    <!-- 头部区域 -->
    <el-header>
      <div>
        <img src="../assets/sc.png" alt="" />
        <span>小词商城后台管理系统</span>
      </div>
      <el-button type="info" @click="loginout">退出</el-button>
    </el-header>
    <!-- 页面区域 -->
    <el-container>
      <!-- 侧边栏 -->
      <el-aside :width="isCollapse ?'64px' : '200px'">
          <div class="toggle-button" @click="toggleCollapse">
              |||
          </div>
        <!-- 侧边栏菜单区域 -->
        <el-menu
          background-color="#333744"
          text-color="#fff"
          active-text-color="#409EFE" :unique-opened="true" :collapse="isCollapse"
            :collapse-transition="false" router :default-active="activePath"
        >
        <!--  一级菜单-->
          <el-submenu :index="item.id + ''" v-for="item in menulist" :key="item.id" >
              <!-- 一级菜单的模板区域 -->
            <template slot="title">
                <!-- 图标 -->
              <i :class="iconsobj[item.id]"></i>
              <!-- 文本 -->
              <span>{{item.authName}}</span>
            </template>

            <!-- 二级菜单 -->
            <el-menu-item :index="'/' + subitem.path + ''" v-for="subitem in item.children" :key="subitem.id" @click="saveNavstate('/' + subitem.path)">
                <template slot="title">
                <!-- 图标 -->
              <i class="el-icon-menu"></i>
              <!-- 文本 -->
              <span>{{subitem.authName}}</span>
            </template>
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <!-- 右侧内容主体 -->
      <el-main>
        <router-view></router-view>
      </el-main>
      <!-- 路由占位符 -->
      
    </el-container>
  </el-container>
</template>

<script>
export default {
    data(){
        return {
            //左侧菜单数据
            menulist:[],
            iconsobj:{
                '125':'iconfont icon-users',
                '103':'iconfont icon-3702mima',
                '101':'iconfont icon-shangpin',
                '102':'iconfont icon-danju',
                '145':'iconfont icon-baobiao',
            },
            //是否折叠
            isCollapse:false,
            //激活的链接地址
            activePath:''
        }
    },
    created(){
        this.getMenulist()
        this.activePath = window.sessionStorage.getItem('activePath')
    },
  methods: {
    loginout() {
      window.sessionStorage.clear()
      this.$router.push('/login')
    },
    //获取菜单
    async getMenulist(){
      const {data:res} = await this.$http.get('menus')
      if(res.meta.status !==200)return this.$message.error(res.meta.msg)
      this.menulist = res.data
      console.log(res)
    },
    //切换菜单折叠展开
    toggleCollapse(){
        this.isCollapse = ! this.isCollapse
    },
    //保存链接的激活状态
    saveNavstate(activePath){
        window.sessionStorage.setItem('activePath',activePath)
        this.activePath = activePath
    }
  },
}
</script>

<style lang="less" scoped>
.home-container {
  height: 100%;
}
.el-header {
  background-color: #373d41;
  display: flex;
  justify-content: space-between;
  padding-left: 0;
  align-items: center;
  color: #fff;
  font-size: 20px;
  > div {
    display: flex;
    align-items: center;
    span {
      margin-left: 15px;
    }
  }
}
.el-aside {
  background-color: #333744;
  .el-menu{
      border-right: none;
  }
}
.el-main {
  background-color: #eaedf1;
}
.iconfont {
    margin-right: 10px;
}
.toggle-button{
    background-color: #4A5064;
    font-size: 10px;
    line-height: 24px;
    color: #fff;
    text-align: center;
    letter-spacing: 0.2em;
    cursor: pointer;
}
</style>